— United States
There are 2 types of non-native mosquitoes that can transmit potentially fatal diseases that have spread throughout the state, including San Diego County, and could see a population explosion come spring.
The blood-suckers expanded their territory during summer and fall 2015 to more than a dozen cities and unincorporated areas of San Diego and Imperial counties, including San Diego, Oceanside, Escondido, Chula Vista, El Cajon, Imperial Beach, El Centro and Calexico. The growth was largely
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